Demiton · Schema
asset_meter_reading contract v1
Odometer and engine-hour readings, as recorded.
CompanyConstructionCivil EngineeringProject ManagementComplianceMCPArtificial IntelligenceOpen Contracting
Properties
| Name | Type | Description |
|---|---|---|
| asset | string | the machine the reading belongs to |
| device | string | the telematics unit that produced the reading |
| driver | string | the driver logged in at the reading |
| read_at | string | when the reading was taken |
| odometer | number | the odometer reading |
| external_id | string | the source system's id for the reading, where it has one |
| engine_hours | number | the engine-hours meter reading |
| location_label | string | where the machine was, as text |
| reading_source | string | whether the reading is GPS-derived or from the CAN bus |
| ignition_status | string | whether the ignition was on at the reading |
| odometer_at_install | number | the odometer when the device was fitted |
JSON Schema
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"$id": "https://docs.demiton.io/registers/asset_meter_reading/v1.json",
"title": "asset_meter_reading contract v1",
"type": "object",
"required": [
"asset",
"read_at"
],
"properties": {
"asset": {
"type": "string",
"description": "the machine the reading belongs to",
"x-demiton-requiredness": "required",
"x-demiton-reference": true
},
"device": {
"type": "string",
"description": "the telematics unit that produced the reading",
"x-demiton-requiredness": "optional",
"x-demiton-reference": true
},
"driver": {
"type": "string",
"description": "the driver logged in at the reading",
"x-demiton-requiredness": "optional",
"x-demiton-reference": true
},
"read_at": {
"type": "string",
"description": "when the reading was taken",
"x-demiton-requiredness": "required",
"format": "date-time",
"x-demiton-type": "datetime"
},
"odometer": {
"type": "number",
"description": "the odometer reading",
"x-demiton-requiredness": "optional",
"x-demiton-unit": "km",
"x-demiton-type": "decimal"
},
"external_id": {
"type": "string",
"description": "the source system's id for the reading, where it has one",
"x-demiton-requiredness": "optional"
},
"engine_hours": {
"type": "number",
"description": "the engine-hours meter reading",
"x-demiton-requiredness": "optional",
"x-demiton-unit": "hours",
"x-demiton-type": "decimal"
},
"location_label": {
"type": "string",
"description": "where the machine was, as text",
"x-demiton-requiredness": "optional"
},
"reading_source": {
"type": "string",
"description": "whether the reading is GPS-derived or from the CAN bus",
"x-demiton-requiredness": "optional"
},
"ignition_status": {
"type": "string",
"description": "whether the ignition was on at the reading",
"x-demiton-requiredness": "optional"
},
"odometer_at_install": {
"type": "number",
"description": "the odometer when the device was fitted",
"x-demiton-requiredness": "optional",
"x-demiton-unit": "km",
"x-demiton-type": "decimal"
}
},
"x-demiton-register-type": "asset_meter_reading",
"x-demiton-contract-version": "1.0.3",
"x-demiton-store": "tenant",
"x-demiton-axes": [
{
"axis": "asset",
"requirement": "required",
"role": "subject"
}
],
"x-demiton-measures": [],
"x-demiton-provenance": {
"standards": [
{
"code": "Privacy Act 1988 (Cth)",
"title": "Privacy Act 1988 - Australian Privacy Principles",
"access": "full_text_verified",
"clause": "APP 3",
"region": "Australia",
"edition": "APP Guidelines ch 3 v1.2 (2026-05-13)",
"checked_on": "2026-09-14"
},
{
"code": "Workplace Surveillance Act 2005 (NSW)",
"title": "Workplace Surveillance Act 2005 (tracking surveillance of employees)",
"access": "public_summary",
"clause": "s 10",
"region": "Australia",
"edition": "in force (compilation 2025-06-14)",
"checked_on": "2026-09-14"
},
{
"code": "ISO/TS 15143-3",
"title": "Earth-moving machinery and mobile road construction machinery - Worksite data exchange - Telematics data (AEMP 2.0)",
"access": "paywalled_secondary",
"region": "International",
"edition": "2020 (SA TS ISO 15143.3:2021 AU and PD ISO/TS 15143-3:2020 UK identical adoptions)",
"checked_on": "2026-09-14"
},
{
"code": "49 CFR Part 395 Subpart B",
"title": "FMCSA - Hours of Service of Drivers - Electronic Logging Devices",
"access": "full_text_verified",
"clause": "s 395.26(b)",
"region": "United States",
"edition": "current (ELD mandate from 2017-12-18)",
"checked_on": "2026-09-14"
}
]
},
"description": "Odometer and engine-hour readings, as recorded.",
"x-demiton-contract-url": "https://docs.demiton.io/registers/asset_meter_reading/",
"x-demiton-register-catalog": "https://docs.demiton.io/concepts/register-catalog"
}Work with this as data
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